APA aipamena

Littlechild, S. C. (1979). Elements of telecommunications economics. P. Peregrinus on behalf of the Institution of Electrical Engineers.

Chicago Style aipamena

Littlechild, S. C. Elements of Telecommunications Economics. Stevenage [Eng.] ; New York: P. Peregrinus on behalf of the Institution of Electrical Engineers, 1979.

MLA aipamena

Littlechild, S. C. Elements of Telecommunications Economics. P. Peregrinus on behalf of the Institution of Electrical Engineers, 1979.